All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

GSK: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

GSK real return snapshot: after CPI-U inflation, GSK returned +25.73% over the past year and +3.23% YTD, with dividends reinvested. Since Mar. 28, 1980, GSK is up +10,986.48% in real purchasing-power return, or +10.66%/yr, and is currently −99.99% below its real total-return high on Sep. 27, 1985.

Data ending Mon Sep. 21, 2026

Growth of $10,000

Fri 1980-03-28💬 to Mon 2026-09-21 Overall
Return 		Exponential
Trendline
GSK × 		+10,986.48%
+10.66%/yr 		+7.61%/yr
R2=0.691
GlaxoSmithKline PLC ADR NYSE Common Stock

Growth of $10,000 Summary

Fri 1980-03-28💬 to Mon 2026-09-21 Start
Value 		End
Value
GSK × 		$10,000.00
1980-03-28 		$1,108,647.65
2026-09-21

This Year’s Performance

through 2026-09-21

  YTD YoY
GSK × 		+3.23% +25.73%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
GSK × 		−99.99%
on 2026-09-21
from 1985-09-27 peak 		−100.00%
on 1985-09-30
from 1985-09-27 peak

Rolling Returns

Period ending Mon 2026-09-21 1 yr 2 yr 3 yr 5 yr 10 yr
GSK × 		+25.73% +27.29%
+12.82%/yr 		+39.84%
+11.83%/yr 		+30.68%
+5.50%/yr 		+35.12%
+3.06%/yr

Annual Returns

Year GSK
2026 (YTD) +3.23%
2025 +47.29%
2024 −7.80%
2023 +6.16%
2022 −21.82%
2021 +18.43%
2020 −18.81%
2019 +26.35%
2018 +11.66%
2017 −4.99%
2016 +0.02%
2015 −0.99%
2014 −16.32%
2013 +27.01%
2012 −1.06%
2011 +19.07%
2010 −3.57%
2009 +16.17%
2008 −22.33%
2007 −4.68%
2006 +5.29%
2005 +6.23%
2004 +2.28%
2003 +26.37%
2002 −23.41%
2001 −11.01%
2000 +0.74%
1999 −20.07%
1998 +45.83%
1997 +53.25%
1996 +14.13%
1995 +41.70%
1994 +0.39%
1993 −12.83%
1992 −25.08%
1991 +93.02%
1990 +22.93%
1989 +32.56%
1988 +2.47%
1987 +15.84%
1986 +42.44%
1985 +80.34%
1984 +26.20%
1983 −5.41%
1982 +149.13%
1981 +15.68%
1980 +15.89%